PIC - PICture
PIC - Position Independent Code
PICC - Presubscribed Interexchange Carrier Charge
PICMG - PCI Industrial Computer Manufacturers Group
PICS - Platform for Internet Content Selection
PID - Process ID
PID - Proportional, Integral, Derivative
PIDF - Presence Information Data Format
PIDL - Personalized Information Description Language
PIE - Personalized Information Environment
PIF - Program Information File
PIG - Pluggable Images Generator
PII - Personally Identifiable Information
PILC - Performance Implications of Link Characteristics
PIM - Personal Information Manager
PIM - Processor Internal Memory
PIM - Protocol-Independent Multicast
PiMP - Plug-in Mini Packager
PIN - Personal Identification Number
PINE - Program for Internet News and Email
PING - Packet INternet Groper
PInG - Princeton Internet Group
PINX - Private Integrated Services Network eXchange
PIO - Programmed Input/Output
PIOFS - Parallel I/O File System
PIOUS - Parallel Input/OUtput System
PIP - Partner Interface Processes®
PIP - Peer Information Protocol
PIP - Picture-In-Picture
PIP - Program Initialization Parameter
PIR - Public Interest Registry
PISN - Private Integrated Services Network
PIT - Programmable Interval Timer
PITAC - President's Information and Technology Advisory Committee
PIU - Path Information Unit
PJL - Printer Job Language
PKC - Public Key Certificate
PKCS - Public Key Cryptography Standards
PKI - Public Key Information
PKI - Public Key Infrastructure
PKIS - Public Key Infrastructure Services
PKIX - Public Key Infrastructure X.509
PL/1 - Programming Language 1
PLAR - Private Line Automatic Ringdown
PLATO - Programmed Logic for Automatic Teaching Operations
PLB - Picture Level Benchmark
PLB - Processor Local Bus
PLC - Packet Loss Concealment
PLC - Platform LAN Connect
PLC - Power Line Capable
PLC - Power Line Communication
PLCC - Plastic Leaded Chip Carrier
PLCP - Physical Layer Convergence Procedure
PLD - Programmable Logic Device
PLDI - Programming Language Design and Implementation
PLI - Programming Language Interface
PLIM - Physical Layer Interface Module
PLIP - Parallel Line Internet Protocol
PLL - Phase Locked Loop
PLM - Product Lifecycle Management
PLMN - Public Land Mobile Network
PLP - Packet Level Protocol
PLP - Packet Loss Priority
PLP - Programmable Lookup Processor
PLR - Packet Loss Recovery
PLR - Protection Lock Register
PLSP - PNNI Link State Packets
PLU - Portable License Utility
PLU - Primary Logical Unit
PM - Path Monitoring
PMA - Physical Medium Attachment
PMBR - PIM Multicast Border Router
PMD - Physical Medium Dependent
PMDR - Power Management Driver Register
PME - Properties, Methods, and Events
PMG - Programming Methodology Group
PMI - Payload Missing Indication
PMM - Packet Mobility Management
PMML - Predictive Model Markup Language
PMMU - Paged Memory Management Unit
PMPS - Prosyst Messaging Protocol over SSL
PMR - Private Mobile Radio
PMS - Pantone Matching System
PMS - Processor Management Services
PMT - Product Maturity Testing
PMTU - Path Maximum Transmission Unit
PMU - Performance Monitoring Unit
PMU - Power Management Unit
PMWG - Performance Management Working Group
PnD - Plug-and-Display
PNG - Portable Network Graphics
PNI - Prescott New Instructions
PNNI - Private Network Node Interface
PNNI - Private Network-Network Interface
PNO - PACE Native Object
PNO - Public Network Operator
PnP - Plug-and-Play
POA - Portable Object Adapter
POC - Proof Of Concept
POCL - Post Office Counters Ltd.